Home / 16,689.56-25,041.78-8,790.17

Finding the Fourth Proportional to 16,689.56, 25,041.78 and 8,790.17

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Solution

The fourth proportional to 16,689.56, 25,041.78 and 8,790.17 is: 13,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.56 : 25,041.78 = 8,790.17 : x
  2. Step 2: Convert to fraction form
    16,689.56/25,041.78 = 8,790.17/x
  3. Step 3: Cross multiply
    16,689.56x = 25,041.78 × 8,790.17
  4. Step 4: Simplify right side
    16,689.56x = 220,121,378.09
  5. Step 5: Solve for x
    x = 220,121,378.09/16,689.56
  6. Step 6: Final answer
    x = 13,189.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.